<template>
  <div>
    <!-- 商品分类三级列表 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!-- 面包屑 -->
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类的面包屑 -->
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i @click="removeCategoryName">×</i></li>
            <!-- 关键字的面包屑 -->
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i @click="removeKeyword">×</i></li>
            <!-- 品牌的面包屑 -->
            <li class="with-x" v-if="searchParams.trademark">{{ searchParams.trademark.split(":")[1]}}<i @click="removeTradeMark">×</i></li>
            <!-- 商品属性值面包屑的地方 -->
            <li class="with-x" v-for="(attrValue, index) in searchParams.props" :key="index">{{ attrValue.split(":")[1] }}<i @click="removeAttr(index)">×</i></li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @getTradeMark="getTradeMark" @getAttrAndAttrValue="getAttrAndAttrValue" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active:isOne}" @click="sort(1)">
                  <a>综合<span v-show="isOne" class="iconfont" :class="{'icon-UP':isAsc,'icon-DOWN':isDesc}"></span></a>
                </li>
                <li :class="{active:isTwo}"  @click="sort(2)">
                  <a>价格<span v-show="isTwo" class="iconfont" :class="{'icon-UP':isAsc,'icon-DOWN':isDesc}"></span></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 销售商品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5"  v-for="(good,index) in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- 在路由跳转的时候一定要带参数，不然无法定位点击的具体的是哪个商品 -->
                    <router-link :to="`/detail/${good.id}`">
                      <img v-lazy="good.defaultImg" />
                    </router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥ </em>
                      <i>{{ good.price }}.00</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】">{{ good.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :total="total" :continues="5" 
          @getPageNo="getPageNo"></Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import SearchSelector from './SearchSelector/SearchSelector'
  import { mapGetters, mapState } from "vuex";
  export default {
    name: 'Search',
    components: {
      SearchSelector
    },
    data () {
    return {
      //将来Search模块搜索的条件
      searchParams: {
        category1Id: "", //一级分类的id
        category2Id: "", //二级分类的id
        category3Id: "", //三级分类的id
        categoryName: "", //商品的名字
        keyword: "", //用户搜索的关键字
        props: [], //商品属性的搜索条件
        trademark: "", //品牌的搜索条件
        order: "2:desc", //排序的参数 【默认初始值:1:desc】
        pageNo: 1, //当前分页器的页码  【默认初始值:1】
        pageSize: 5, //代表当前一页显示几条数据 【默认初始值:10】
      },
    };
  },
    //组件挂载完毕次钩子执行一次,发请求
    mounted() {
      //在发请求之前:整理用户搜索的参数
      //组件挂载完毕发一次请求
      this.getData();
      //获取用户信息
    },
    //将store仓库里的数据映射到组件自身
    computed: {
      ...mapGetters(["goodsList"]),
      ...mapState({
        total: state => state.search.searchList.total
      }),
      isOne() {
        return this.searchParams.order.indexOf("1") != -1;
      },
      isTwo() {
        return this.searchParams.order.indexOf("2") != -1;
      },
      isDesc() {
        return this.searchParams.order.indexOf("desc") != -1;
      },
      isAsc() {
        return this.searchParams.order.indexOf("asc") != -1;
      },
    },
    methods: {
      //发请求,获取搜索模块的数据
      getData() {
        //通知Vuex发请求、仓库存储数据
        Object.assign(this.searchParams, this.$route.query, this.$route.params);
        this.$store.dispatch("getSearchList", this.searchParams);
      },
      //删除分类的名字
      removeCategoryName(){
        //把带给服务器的参数置空了，还需要向服务器发请求
        //带给服务器参数说明可有可无的，如果属性值为空的字符串还是会把相应的字段带给服务器
        //但是你把相应的字段变为undefined，当前这个字段不会带给服务器
        this.searchParams.categoryName = undefined;
        this.searchParams.category1Id = undefined;
        this.searchParams.category2Id = undefined;
        this.searchParams.category3Id = undefined;
        //再次发请求
        this.getData();
        //地址栏也需要修改，进行路由跳转（现在的路由跳转只是跳转到自己）
        //当时要注意，按道理需要的是删除query参数，但是路径中含有param参数则路由不应该删除param
        if(this.$route.params){
          this.$router.push({ name: "search", params: this.$route.params });
        }

      },
      //面包屑移出关键字的回调
      removeKeyword () {
        //清空关键字
        this.searchParams.keyword = "";
        //通知兄弟组件清除关键字
        this.$bus.$emit("clearKeyword");
        //修改URL
        if(this.$route.query ){
          this.$router.push({ name: "search", query: this.$route.query });
        }
      },
      //子组件给父组件传递数据的自定义事件的回调
      getTradeMark (tmId, tmName) {
        // console.log("父组件", tmId, tmName);
        //整理品牌相关的搜索条件
        this.searchParams.trademark = `${tmId}:${tmName}`;
        //再次发请求即可
        this.getData();
      },
      //面包屑清除品牌回调
      removeTradeMark () {
        //清空品牌的搜索条件
        this.searchParams.trademark = undefined
        //再次发请求获取最新的数据展示
        this.getData();
      },
      //子组件给父组件传递商品属性与属性值的自定义事件的回调
      getAttrAndAttrValue (attrId, attrName, attrValue) {
        //整理最新的搜索的条件
        //整理为字符串，模板字符串
        let newProps = `${attrId}:${attrValue}:${attrName}`;
        //存储参数的是一个数组，但是数组里面的元素面包屑展示只能一次不能重复，需要去重判断，indexOf用于判断数组中是否含有某个元素，若返回值为-1则表示没有
        if (this.searchParams.props.indexOf(newProps) == -1) {
          this.searchParams.props.push(newProps);
          //再次发请求，获取最新的数据展示即可
          this.getData();
        }
      },
     //商品属性值面包屑删除回调
      removeAttr (index) {
        //删除对应的数组里面元素
        this.searchParams.props.splice(index, 1);
        //在发一次请求
        this.getData();
      },
      //排序回调
      //参数形式:1:desc
      //1|2,标记flag,到底谁是高亮状态
      //asc|desc排序【sortType】,到底是升序还是降序
      sort (flag) {
        //获取每一次order初始值,与用户点击传递进来的flag进行判断
        let originFlag = this.searchParams.order.split(":")[0];
        let originSortType = this.searchParams.order.split(":")[1];
        //准备一个新的数值，将来赋值给order
        let newOrder = "";
        //高亮的判断
        if (flag == originFlag) {
          newOrder = `${originFlag}:${originSortType == "desc" ? "asc" : "desc"}`;
        } else {
          //不是高亮的按钮
          newOrder = `${flag}:desc`;
        }
        //重新给order赋予新的数值
        this.searchParams.order = newOrder;
        //重新发一次请求
        this.getData();
      },
      //自定义事件的回调函数--获取当前第几页
      getPageNo(PageNum){
        //更新子组件传递给父组件的数据
        this.searchParams.pageNo = PageNum
        //再次向服务器发送请求更新数据
        this.getData()
      },
    },
    //获取search模块展示产品一共多少数据total
    ...mapState({
      total:state=>state.search.searchList.total
    }),
    //通过watch监听路由的变化---[商品的名字路由里面的吗]
    watch: {
      //监听组件VC的$route属性
      //$route:{},应该用深度监听呀?
      //$route，是vue-router提供的
      $route() {
        //再次整理最新的商品名字参数
        // this.searchParams.category1Id = this.$route.query.category1Id;
        // this.searchParams.category2Id = this.$route.query.category2Id;
        // this.searchParams.category3Id = this.$route.query.category3Id;
        // this.searchParams.categoryName = this.$route.query.categoryName;
        
        //路由变化整理参数：手机最新的商品名字、商品1|2|3ID,assign会更新第一个参数searchParams的其他两个属性值this.$route.query, this.$route.params
        Object.assign(this.searchParams, this.$route.query, this.$route.params);
        //再次发请求
        this.getData();
        //每一次请求完毕，应该把相应的1、2、3级分类的Id置空，先把用户前面存储的1|2|3级别ID清除
        //发ajax的时候,属性值为undefind,甚至参数K都不携带了【10个搜索条件,可有可无的】
        this.searchParams.category1Id = undefined;
        this.searchParams.category2Id = undefined;
        this.searchParams.category3Id = undefined;
      },
    },
  }
</script>

<style lang="less" scoped>
  .main {
    margin: 10px 0;

    .py-container {
      width: 1200px;
      margin: 0 auto;

      .bread {
        margin-bottom: 5px;
        overflow: hidden;

        .sui-breadcrumb {
          padding: 3px 15px;
          margin: 0;
          font-weight: 400;
          border-radius: 3px;
          float: left;

          li {
            display: inline-block;
            line-height: 18px;

            a {
              color: #666;
              text-decoration: none;

              &:hover {
                color: #4cb9fc;
              }
            }
          }
        }

        .sui-tag {
          margin-top: -5px;
          list-style: none;
          font-size: 0;
          line-height: 0;
          padding: 5px 0 0;
          margin-bottom: 18px;
          float: left;

          .with-x {
            font-size: 12px;
            margin: 0 5px 5px 0;
            display: inline-block;
            overflow: hidden;
            color: #000;
            background: #f7f7f7;
            padding: 0 7px;
            height: 20px;
            line-height: 20px;
            border: 1px solid #dedede;
            white-space: nowrap;
            transition: color 400ms;
            cursor: pointer;

            i {
              margin-left: 10px;
              cursor: pointer;
              font: 400 14px tahoma;
              display: inline-block;
              height: 100%;
              vertical-align: middle;
            }

            &:hover {
              color: #28a3ef;
            }
          }
        }
      }

      .details {
        margin-bottom: 5px;

        .sui-navbar {
          overflow: visible;
          margin-bottom: 0;

          .filter {
            min-height: 40px;
            padding-right: 20px;
            background: #fbfbfb;
            border: 1px solid #e2e2e2;
            padding-left: 0;
            border-radius: 0;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

            .sui-nav {
              position: relative;
              left: 0;
              display: block;
              float: left;
              margin: 0 10px 0 0;

              li {
                float: left;
                line-height: 18px;

                a {
                  display: block;
                  cursor: pointer;
                  padding: 11px 15px;
                  color: #777;
                  text-decoration: none;
                }

                &.active {
                  a {
                    background: #e1251b;
                    color: #fff;
                  }
                }
              }
            }
          }
        }

        .goods-list {
          margin: 20px 0;

          ul {
            display: flex;
            flex-wrap: wrap;

            li {
              height: 100%;
              width: 20%;
              margin-top: 10px;
              line-height: 28px;

              .list-wrap {
                .p-img {
                  padding-left: 15px;
                  width: 215px;
                  height: 255px;

                  a {
                    color: #666;

                    img {
                      max-width: 100%;
                      height: auto;
                      vertical-align: middle;
                    }
                  }
                }

                .price {
                  padding-left: 15px;
                  font-size: 18px;
                  color: #c81623;

                  strong {
                    font-weight: 700;

                    i {
                      margin-left: -5px;
                    }
                  }
                }

                .attr {
                  padding-left: 15px;
                  width: 85%;
                  overflow: hidden;
                  margin-bottom: 8px;
                  min-height: 38px;
                  cursor: pointer;
                  line-height: 1.8;
                  display: -webkit-box;
                  -webkit-box-orient: vertical;
                  -webkit-line-clamp: 2;

                  a {
                    color: #333;
                    text-decoration: none;
                  }
                }

                .commit {
                  padding-left: 15px;
                  height: 22px;
                  font-size: 13px;
                  color: #a7a7a7;

                  span {
                    font-weight: 700;
                    color: #646fb0;
                  }
                }

                .operate {
                  padding: 12px 15px;

                  .sui-btn {
                    display: inline-block;
                    padding: 2px 14px;
                    box-sizing: border-box;
                    margin-bottom: 0;
                    font-size: 12px;
                    line-height: 18px;
                    text-align: center;
                    vertical-align: middle;
                    cursor: pointer;
                    border-radius: 0;
                    background-color: transparent;
                    margin-right: 15px;
                  }

                  .btn-bordered {
                    min-width: 85px;
                    background-color: transparent;
                    border: 1px solid #8c8c8c;
                    color: #8c8c8c;

                    &:hover {
                      border: 1px solid #666;
                      color: #fff !important;
                      background-color: #666;
                      text-decoration: none;
                    }
                  }

                  .btn-danger {
                    border: 1px solid #e1251b;
                    color: #e1251b;

                    &:hover {
                      border: 1px solid #e1251b;
                      background-color: #e1251b;
                      color: white !important;
                      text-decoration: none;
                    }
                  }
                }
              }
            }
          }
        }

        .page {
          width: 733px;
          height: 66px;
          overflow: hidden;
          float: right;

          .sui-pagination {
            margin: 18px 0;

            ul {
              margin-left: 0;
              margin-bottom: 0;
              vertical-align: middle;
              width: 490px;
              float: left;

              li {
                line-height: 18px;
                display: inline-block;

                a {
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  border: 1px solid #e0e9ee;
                  margin-left: -1px;
                  font-size: 14px;
                  padding: 9px 18px;
                  color: #333;
                }

                &.active {
                  a {
                    background-color: #fff;
                    color: #e1251b;
                    border-color: #fff;
                    cursor: default;
                  }
                }

                &.prev {
                  a {
                    background-color: #fafafa;
                  }
                }

                &.disabled {
                  a {
                    color: #999;
                    cursor: default;
                  }
                }

                &.dotted {
                  span {
                    margin-left: -1px;
                    position: relative;
                    float: left;
                    line-height: 18px;
                    text-decoration: none;
                    background-color: #fff;
                    font-size: 14px;
                    border: 0;
                    padding: 9px 18px;
                    color: #333;
                  }
                }

                &.next {
                  a {
                    background-color: #fafafa;
                  }
                }
              }
            }

            div {
              color: #333;
              font-size: 14px;
              float: right;
              width: 241px;
            }
          }
        }
      }
    }
  }
</style>